제출 #197917

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
197917	2020-01-24 08:39:17	SamAnd	Teleporters (IOI08_teleporters)	C++17	100 / 100	881 ms	48416 KiB

teleporters

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#include <bits/stdc++.h>
using namespace std;
const int N = 2000006;
struct ban
{
    int x, i;
    ban(){}
    ban(int x, int i)
    {
        this->x = x;
        this->i = i;
    }
};
bool operator<(const ban& a, const ban& b)
{
    return a.x < b.x;
}
int u[N];
void mysort(vector<int>& v)
{
    memset(u, 0, sizeof u);
    for (int i = 0; i < v.size(); ++i)
        u[v[i]]++;
    v.clear();
    for (int i = 0; i < N; ++i)
    {
        for (int j = 0; j < u[i]; ++j)
            v.push_back(i);
    }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

teleporters.cpp: In function 'void mysort(std::vector<int>&)':
teleporters.cpp:23:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < v.size(); ++i)
                     ~~^~~~~~~~~~
teleporters.cpp: In function 'int main()':
teleporters.cpp:56:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &m);
     ~~~~~^~~~~~~~~~~~~~~~
teleporters.cpp:59:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &b[i].first, &b[i].second);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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